Being the holidays you have friends over.One friend wanted to see a couple of my rifles.He was looking at my JLD PTr.The bipod was off at the time and he said that he wanted to put it on.I told him start at one end and match the lugs to the groove and it slides right on.Well he put it on backwards and now Im having trouble getting it off.I tried sliding in reverse order that he put it on but it wont come off.Any suggestions.